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Environmentally friendly preparation of nanoparticles for organic photovoltaics

Pan, Xun (author)
Flinders University of South Australia
Sharma, A. (author)
Université de Bordeaux,University of Bordeaux,Flinders University of South Australia
Gedefaw, Desta Antenehe, 1971 (author)
University of the South Pacific
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Kroon, Renee, 1982 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Diaz de Zerio Mendaza, Amaia, 1986 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Holmes, N. P. (author)
University of Newcastle
Kilcoyne, A. L. D. (author)
Lawrence Berkeley National Laboratory
Barr, M. G. (author)
University of Newcastle
Fahy, A. (author)
University of Newcastle
Marks, Melissa (author)
University of Newcastle
Zhou, X. J. (author)
University of Newcastle
Belcher, W. J. (author)
University of Newcastle
Dastoor, P. (author)
University of Newcastle
Andersson, Mats, 1957 (author)
Flinders University of South Australia
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 (creator_code:org_t)
Elsevier BV, 2018
2018
English.
In: Organic Electronics: physics, materials, applications. - : Elsevier BV. - 1566-1199. ; 59, s. 432-440
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Aqueous nanoparticle dispersions were prepared from a conjugated polymer poly[thiophene-2,5-diyl-alt-5,10-bis((2-hexyldecyl)oxy)dithieno[3,2-c:3′,2′-h][1,5]naphthyridine-2,7-diyl] (PTNT) and fullerene blend utilizing chloroform as well as a non-chlorinated and environmentally benign solvent, o-xylene, as the miniemulsion dispersed phase solvent. The nanoparticles (NPs) in the solid-state film were found to coalesce and offered a smooth surface topography upon thermal annealing. Organic photovoltaics (OPVs) with photoactive layer processed from the nanoparticle dispersions prepared using chloroform as the miniemulsion dispersed phase solvent were found to have a power conversion efficiency (PCE) of 1.04%, which increased to 1.65% for devices utilizing NPs prepared from o-xylene. Physical, thermal and optical properties of NPs prepared using both chloroform and o-xylene were systematically studied using dynamic mechanical thermal analysis (DMTA) and photoluminescence (PL) spectroscopy and correlated to their photovoltaic properties. The PL results indicate different morphology of NPs in the solid state were achieved by varying miniemulsion dispersed phase solvent.

Subject headings

NATURVETENSKAP  -- Kemi -- Polymerkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Kemiteknik -- Polymerteknologi (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Chemical Engineering -- Polymer Technologies (hsv//eng)
NATURVETENSKAP  -- Kemi -- Materialkemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Materials Chemistry (hsv//eng)

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art (subject category)
ref (subject category)

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